16x8 1.2" LED Matrix + Backpack-Ultra Bright Round Orange LEDs Shipping:4-6 Days While this antenna works great

While this antenna works great with normal L1 GPS/GNSS receivers it will not make your $20 receiver into a $200 receiver

Installing the fan

MOD-TC-MK2 working with OLinuXino iMX233 with explanation also includes the new firmware of MOD-IO2

As of Sept 24 2013

16x8 1.2" LED Matrix + Backpack-Ultra Bright Round Orange LEDs Shipping:4-6 Days While this antenna works greatWhat's better than a single LED? Lots of LEDs! And what's better than lots of LEDs? TWO TIMES AS MANY LEDS!!! With the 16x8 LED Matrix Backpack we've doubled your project's matrix capacity by making it super easy to get two separate 8x8 matrices onto one handy board! Matrices like these are 'multiplexed' so to control 64 LEDs you need 16 pins and to control 128 LEDs, you'd need 24 pins. That's a lot of pins, and there are driver chips like the MAX7219